Laundry detergent waste produce toxicity dangerous for survival rate of the fish and water quality. Laundry detergent waste toxicity tests need to be done research on test animals Patin (P. hypophthalmus) to determine the effect of surfactant materials on water quality and fish mortality rate Patin. This study aims to get the effect of acute and sub-chronic toxicity of waste and get the laundry…
Library service is a form of public service provided by the government to the public to provide information and knowledge through literacy reading material. Existing library services must of course follow the needs of the community and adjust the times, one of which is by innovating library services. With the presence of innovative library services in Pekanbaru City Public Library as a form of …
ABSTRACT The existence of human rights and its arrangements is really important because without human rights, human cannot develop their talents and fulfill their needs. In addition to regulating human rights in general, there are also human rights arrangements held for indigenous peoples. Indigenous peoples are communities that live on the basis of ancestral ancestry over a customary territor…
Oil energy is a big issue that cause every state secures its supply. One of these countries is South Korea. South Korea has a limited wealth of natural resources (especially petroleum). The South Korean government recognizes that oil is one of the dominant energies in driving the economy of South Korea. One of the main forms of investment conducted by South Korea is investment in the oil energy…
This study aims to determine the effect of using different temperatures on the quality of collagen sand sea cucumbers (Holothuria scabra). The research method used in this study is an experimental method that is conducting experiments on the effect of the use of different temperatures on the quality of collagen meat of sea cucumber sand (Holothuria scabra). Based on this study it can be concl…
This study aims to analyze and determine the effect of demand for consumer credit in Riau Province. The variables observed in this study were interest rates, Gross Domestic Product (GDP), kurs. The data used in this study were secondary data in the form of time series in the period 2008-2018. Sources of data were obtained from (BI) Bank Indonesia as an official institution regarding financial…
ABSTRACT This research was conducted in December 2018. The purpose of this study was to determine the characteristics of conjoined sepat fish in each size. The specific purpose of this study is to examine the swimming endurance of conjoined sepat fish, knowing the maximum speed, prolonged speed and brust speed of conjoined sepat fish of various sizes. This research was conducted using an exp…
ABSTRACT This research was conducted in June-August 2019 at the coast of the Laguna Samudra, Kaur Regency, Bengkulu Province. The research aim to find out the potential of marine ecotourism and the development strategy at the coast of Laguna Samudra. This research uses a survey method. Results shown that the coast of Laguna Samudra has suitable potential to be developed as a marine ec…
This study aims to analyze the effect of product quality on relationship marketing. Knowing and analyzing the influence of relationship marketing and product quality on customer satisfaction. To find out and analyze the influence of relationship marketing and product quality on customer loyalty and the effect of customer satisfaction on customer loyalty. The study population is the population …
ABSTRACT This study conducted in February-March 2019 at Marine Science Biotechnology and Marine Microbiology Laboratorium, Faculty of Fisheries and Marine, Riau University, Pekanbaru. The aim of this study is to know the effect of using heterotrophic bacteria to red nile tilapia’s (O. nilloticus) growth and to know the amount of heterotrophic bacteria in a pool. The study uses experiment…
Petroleum pollution can disrupt the environmental ecosystem. Biodegradation is an alternative that can be used to overcome petroleum pollution. This study aims to determine the ability of fixation bacteria N-non symbion (NR15, NR18 and NR30) to degrade petroleum by immobilizing using oil palm empty fruit bunches with gravimetric method. The results of this study obtained growth potential and pe…
ABSTRACT Rigid pavement is a construction that requires material with high compressive and flexural strength to bearing a massive load and preventing cracks to occur. This research aims to designed the optimum concrete mixtures with addition of crumb rubber by 2.5%, 5%, 7.5% and rice husk ash by 7.5%, 10%, 12.5% as a flexural and compactness enhancement and analyzed the mechanical properties n…
ABSTRACT Transport types of motorcycles or motorcycle called online does not have permissions in the field of public transport. Online motorcycle taxi is public transportation by using a motorcycle as a means to transport it using the app liaison between the riders and their users or based technology. The existence of this online motorcycle is quite prevalent at the present time, but the licen…